mens rolex oyster watch 2 year old +

mens silver rolex oyster perpetual date yaucht master it does say officially certificated but i do not have papers i bought it for 3000 off internet 2nd hand 2 and a half year ago and i have recently moved house and lost the paper work but i have the boxx if intrested give me a call on 07858709447 no emails!! all i am looking for is 800 ono look foward to hearing from you thanks